Oral health status and treatment needs among 12- and 15-year-old government and private school children in Shimla city, Himachal Pradesh, India.

Objectives: To assess the dental caries, periodontal health, and malocclusion of school children aged 12 and 15 years in Shimla city and to compare them in government and private schools.

Materials And Methods: A cross-sectional study of 12- and 15-year-old children in government and private schools was conducted in Shimla city, Himachal Pradesh, India. A sample of 1011 school children (both males and females) was selected by a two-stage cluster sampling method.

Dental caries prevalence and treatment needs among 12- and 15- Year old schoolchildren in Shimla city, Himachal Pradesh, India.

Context: Dental caries is one of the commonest oral diseases in children. Despite this fact, not many studies have been done on this issue among school children in Shimla.

Aim: To assess the prevalence of dental caries and treatment needs among schoolchildren aged 12 years and 15 years in Shimla city, Himachal Pradesh, India.

Tobacco consumption among 12- to 15-year-old schoolchildren in Delhi.

Objective: This study aims to assess the knowledge, attitude, and practice of tobacco use and its cessation among children in schools of Delhi.

Methods: A cross-sectional study involving 1094 schoolchildren (577 boys and 517 girls), 12-15 years old, was conducted using the modified Global Youth Tobacco Survey questionnaire. Mann-Whitney U-test and Kruskal-Wallis test were applied (p<0.

Estimation of dental age and its comparison with chronological age: accuracy of two radiographic methods.

Introduction: Accurate age data are always necessary in medicine and dentistry, and are also important to assess maturity and estimate age in a number of disciplines, such as forensic odontology, paediatric and preventive dentistry, orthodontics, etc.

Aim: This investigation determines the accuracy of dental age estimation and its comparison with chronological age by two methods: Demirjian's and Willems'.

Materials And Methods: Tooth development was assessed in seven left mandibular teeth from 215 orthopantomograms (OPGs) belonging to healthy children aged 6-15 years selected by convenience sampling, from patients of the Sudha Rustagi College of Dental Sciences & Research, Faridabad, and were staged according to Demirjian's and Willems' scales.